mirror of
https://github.com/darlinghq/darling-objc4.git
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60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* Copyright (c) 2002, 2006 Apple Inc. All Rights Reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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#ifndef __OBJC_SNYC_H_
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#define __OBJC_SNYC_H_
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#include <objc/objc.h>
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/**
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* Begin synchronizing on 'obj'.
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* Allocates recursive pthread_mutex associated with 'obj' if needed.
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*
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* @param obj The object to begin synchronizing on.
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*
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* @return OBJC_SYNC_SUCCESS once lock is acquired.
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*/
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OBJC_EXPORT int
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objc_sync_enter(id _Nonnull obj)
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OBJC_AVAILABLE(10.3, 2.0, 9.0, 1.0, 2.0);
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/**
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* End synchronizing on 'obj'.
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*
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* @param obj The object to end synchronizing on.
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*
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* @return OBJC_SYNC_SUCCESS or OBJC_SYNC_NOT_OWNING_THREAD_ERROR
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*/
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OBJC_EXPORT int
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objc_sync_exit(id _Nonnull obj)
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OBJC_AVAILABLE(10.3, 2.0, 9.0, 1.0, 2.0);
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enum {
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OBJC_SYNC_SUCCESS = 0,
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OBJC_SYNC_NOT_OWNING_THREAD_ERROR = -1
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};
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#endif // __OBJC_SYNC_H_
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